class_docstr: Properties for use in workflow expressions.
docstr: List of step names that this function depends on.
docstr_tok: ["List","of","step","names","that","this","function","depends","on","."]
code: def _referenced_steps(self) -> List[Union[str, "Step"]]:
      """List of step names that this function depends on."""
      if self._step:
          return [self._step]
      return [self.step_name]
  
imports: from __future__ import absolute_import
  from abc import ABCMeta
  from typing import Dict, Union, List, TYPE_CHECKING
  import attr
  import botocore.loaders
  from sagemaker.workflow.entities import Expression
  from sagemaker.workflow.step_outputs import StepOutput
label_desc: Use image node_id 3 for calling the Properties obj's underlying member method code with example usage: obj._referenced_steps() and returns: list, list